Full Core Reactor Analysis: Running Denovo on Jaguar

被引：8

作者：

Jarrell, Joshua J. ^{[1
]}

Evans, Thomas M. ^{[1
]}

Davidson, Gregory G. ^{[1
]}

Godfrey, Andrew T. ^{[2
]}

机构：

[1] Oak Ridge Natl Lab, Radiat Transport Grp, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Reactor Phys Grp, Oak Ridge, TN 37831 USA

来源：

NUCLEAR SCIENCE AND ENGINEERING | 2013年 / 175卷 / 03期

关键词：

QUADRATURES;

D O I：

10.13182/NSE12-60

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Fully consistent, full core, three-dimensional, deterministic neutron transport simulations using the orthogonal mesh code Denovo were run on the massively parallel computing architecture Jaguar XT5. Using energy and spatial parallelization schemes, Denovo was able to efficiently scale to more than 160000 processors. Cell-homogenized cross sections were used with step characteristics, linear discontinuous finite element, and trilinear discontinuous finite element spatial methods. It was determined that using the finite element methods gave considerably more accurate eigenvalue solutions for large aspect ratio meshes than using step characteristics.

引用

页码：283 / 291

页数：9

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